997108 has 24 divisors (see below), whose sum is σ = 2016000. Its totient is φ = 422688.

The previous prime is 997103. The next prime is 997109. The reversal of 997108 is 801799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4053 + ... + 4291.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2⁹⁹⁷¹⁰⁸ is an apocalyptic number.

It is an amenable number.

997108 is an abundant number, since it is smaller than the sum of its proper divisors (1018892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997108 is a wasteful number, since it uses less digits than its factorization.

997108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 997108 is about 998.5529530275. The cubic root of 997108 is about 99.9035069208.

The spelling of 997108 in words is "nine hundred ninety-seven thousand, one hundred eight".